I want to build an small data logger based around ATMEL's 8535 (or one of 
the AVR Mega).
I need to log around 300MBytes of data. USB memory sticks are cost effective 
storage mediums. Is there a simple way to interface a USB memory stick with 
an ATMEL microcotroller?

Ray

> I need to log around 300MBytes of data. USB memory sticks are cost effective
> storage mediums. Is there a simple way to interface a USB memory stick with
> an ATMEL microcotroller?

No. Use a CompactFlash card.

On 26 Dec 2005 08:14:33 -0800, "larwe" <z...@gmail.com> wrote:

>
>> I need to log around 300MBytes of data. USB memory sticks are cost effective
>> storage mediums. Is there a simple way to interface a USB memory stick with
>> an ATMEL microcotroller?
>
>No. Use a CompactFlash card.

Use a SD/MMC card ,much easier than  compactflash

Just set the AVR for SPI , and connect the SD/MMC via a cpl of
voltagedividers.

See www.microsyl.com (LCD sign)

Carsten

On Tue, 27 Dec 2005 02:59:32 +1100, <Ray> wrote:

>I want to build an small data logger based around ATMEL's 8535 (or one of 
>the AVR Mega).
>I need to log around 300MBytes of data. USB memory sticks are cost effective 
>storage mediums. Is there a simple way to interface a USB memory stick with 
>an ATMEL microcotroller?
>
>Ray

This chip will do it - does all the FAT stuff from a simple serial interface., as well as allowing
access to USB mice, keyboards, printers etc. 
http://www.alfat.co.uk/usbwiz.html

On Mon, 26 Dec 2005 17:16:40 GMT, the renowned Mike Harrison
<m...@whitewing.co.uk> wrote:

>On Tue, 27 Dec 2005 02:59:32 +1100, <Ray> wrote:
>
>>I want to build an small data logger based around ATMEL's 8535 (or one of 
>>the AVR Mega).
>>I need to log around 300MBytes of data. USB memory sticks are cost effective 
>>storage mediums. Is there a simple way to interface a USB memory stick with 
>>an ATMEL microcotroller?
>>
>>Ray
>
>This chip will do it - does all the FAT stuff from a simple serial interface., as well as allowing
>access to USB mice, keyboards, printers etc. 
>http://www.alfat.co.uk/usbwiz.html

"USBWiz".. it's a preprogrammed LPC2114 ARM chip used with an ISP1160?

There's something a bit sad about using a double-digit MHz 128K 32-bit
processor to interface an 8-bit micro with a USB flash drive, but I
bet that could be pretty useful in some circumstances.  


Best regards, 
Spehro Pefhany
-- 
"it's the network..."                          "The Journey is the reward"
s...@interlog.com             Info for manufacturers: http://www.trexon.com
Embedded software/hardware/analog  Info for designers:  http://www.speff.com

Spehro Pefhany wrote:
> On Mon, 26 Dec 2005 17:16:40 GMT, the renowned Mike Harrison
> <m...@whitewing.co.uk> wrote:
>
> >On Tue, 27 Dec 2005 02:59:32 +1100, <Ray> wrote:
> >
> >>I want to build an small data logger based around ATMEL's 8535 (or one of
> >>the AVR Mega).
> >>I need to log around 300MBytes of data. USB memory sticks are cost effective
> >>storage mediums. Is there a simple way to interface a USB memory stick with
> >>an ATMEL microcotroller?
> >>
> >>Ray
> >
> >This chip will do it - does all the FAT stuff from a simple serial interface., as well as allowing
> >access to USB mice, keyboards, printers etc.
> >http://www.alfat.co.uk/usbwiz.html
>
> "USBWiz".. it's a preprogrammed LPC2114 ARM chip used with an ISP1160?
>
> There's something a bit sad about using a double-digit MHz 128K 32-bit
> processor to interface an 8-bit micro with a USB flash drive, but I
> bet that could be pretty useful in some circumstances.

And for 40 pounds (60 USD), you can almost get a complete 32bit board
with USB and many other stuffs.

>
>
> Best regards,
> Spehro Pefhany
> --
> "it's the network..."                          "The Journey is the reward"
> s...@interlog.com             Info for manufacturers: http://www.trexon.com
> Embedded software/hardware/analog  Info for designers:  http://www.speff.com

Mike Harrison wrote:

> On Tue, 27 Dec 2005 02:59:32 +1100, <Ray> wrote:
> 
> 
>>I want to build an small data logger based around ATMEL's 8535 (or one of 
>>the AVR Mega).
>>I need to log around 300MBytes of data. USB memory sticks are cost effective 
>>storage mediums. Is there a simple way to interface a USB memory stick with 
>>an ATMEL microcotroller?
>>
>>Ray
> 
> 
> This chip will do it - does all the FAT stuff from a simple serial interface., as well as allowing
> access to USB mice, keyboards, printers etc. 
> http://www.alfat.co.uk/usbwiz.html


At 40 British pounds not exactly cheap.

Rene
-- 
Ing.Buero R.Tschaggelar - http://www.ibrtses.com
& commercial newsgroups - http://www.talkto.net

<Ray> skrev i meddelandet 
news:43b01341$0$25854$a...@news.optusnet.com.au...
>I want to build an small data logger based around ATMEL's 8535 (or one of 
>the AVR Mega).
> I need to log around 300MBytes of data. USB memory sticks are cost 
> effective storage mediums. Is there a simple way to interface a USB memory 
> stick with an ATMEL microcotroller?
>
> Ray
>
>

The advantage of the USB memory stick is that many people have one and
they are easy to connect to just about any PC.
The SD/MMC is easier to connect to the AVR but will require a memory reader 
on most PCs.

Check www.avrfreaks.net.
There is someone which has a ready application for SD connection
and sells the source code etc. for about $130
I think they use a mega128.

A part with external bus might be good if you want to use Compactflash.

-- 
Best Regards,
Ulf Samuelsson
This is intended to be my personal opinion which may,
or may bot be shared by my employer Atmel Nordic AB 

On Tue, 27 Dec 2005 13:54:28 +0100, "Ulf Samuelsson" <u...@a-t-m-e-l.com> wrote:

>
><Ray> skrev i meddelandet 
>news:43b01341$0$25854$a...@news.optusnet.com.au...
>>I want to build an small data logger based around ATMEL's 8535 (or one of 
>>the AVR Mega).
>> I need to log around 300MBytes of data. USB memory sticks are cost 
>> effective storage mediums. Is there a simple way to interface a USB memory 
>> stick with an ATMEL microcotroller?
>>
>> Ray
>>
>>
>
>The advantage of the USB memory stick is that many people have one and
>they are easy to connect to just about any PC.
>The SD/MMC is easier to connect to the AVR but will require a memory reader 
>on most PCs.

Although the readers are so cheap that it may be viable to ship one with the product. 

On Tue, 27 Dec 2005 13:54:28 +0100, "Ulf Samuelsson"
<u...@a-t-m-e-l.com> wrote:

>
><Ray> skrev i meddelandet 
>news:43b01341$0$25854$a...@news.optusnet.com.au...
>>I want to build an small data logger based around ATMEL's 8535 (or one of 
>>the AVR Mega).
>> I need to log around 300MBytes of data. USB memory sticks are cost 
>> effective storage mediums. Is there a simple way to interface a USB memory 
>> stick with an ATMEL microcotroller?
>>
>> Ray
>>
>>
>
>The advantage of the USB memory stick is that many people have one and
>they are easy to connect to just about any PC.
>The SD/MMC is easier to connect to the AVR but will require a memory reader 
>on most PCs.
>
>Check www.avrfreaks.net.
>There is someone which has a ready application for SD connection
>and sells the source code etc. for about $130
>I think they use a mega128.
>
>A part with external bus might be good if you want to use Compactflash.

Have a look at this one for the AVR (It's free)

Maybe use BabelFish

http://www.ulrichradig.de/site/atmel/avr_mmcsd/index.htm

Carsten